"H2H" meaning in English

{
  "head_templates": [
    {
      "args": {
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      },
      "expansion": "H2H (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "human-to-human"
        }
      ],
      "categories": [],
      "examples": [
        {
          "text": "Epidemiologists worry about H2H transmission of avian influenza.",
          "type": "example"
        }
      ],
      "glosses": [
        "Initialism of human-to-human."
      ],
      "id": "en-H2H-en-adj-~-IQkOc5",
      "links": [
        [
          "human",
          "human#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "not-comparable"
      ]
    },
    {
      "alt_of": [
        {
          "word": "head-to-head"
        }
      ],
      "categories": [
        {
          "_dis": "41 59",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "7 93",
          "kind": "other",
          "name": "English number homophones",
          "parents": [
            "Number homophones",
            "Rebuses",
            "Terms spelled with numbers",
            "Terms by etymology"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "14 86",
          "kind": "other",
          "name": "English reduplicated coordinated pairs",
          "parents": [
            "Reduplicated coordinated pairs",
            "Coordinated pairs",
            "Reduplications",
            "Terms by etymology"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "15 85",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "4 96",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Initialism of head-to-head."
      ],
      "id": "en-H2H-en-adj-SyaV3Uhq",
      "links": [
        [
          "head",
          "head#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "not-comparable"
      ]
    }
  ],
  "word": "H2H"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English number homophones",
    "English palindromes",
    "English reduplicated coordinated pairs",
    "English terms spelled with numbers",
    "English uncomparable adjectives",
    "English words without vowels",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "H2H (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "alt_of": [
        {
          "word": "human-to-human"
        }
      ],
      "categories": [
        "English initialisms",
        "English terms with usage examples"
      ],
      "examples": [
        {
          "text": "Epidemiologists worry about H2H transmission of avian influenza.",
          "type": "example"
        }
      ],
      "glosses": [
        "Initialism of human-to-human."
      ],
      "links": [
        [
          "human",
          "human#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "not-comparable"
      ]
    },
    {
      "alt_of": [
        {
          "word": "head-to-head"
        }
      ],
      "categories": [
        "English initialisms"
      ],
      "glosses": [
        "Initialism of head-to-head."
      ],
      "links": [
        [
          "head",
          "head#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism",
        "not-comparable"
      ]
    }
  ],
  "word": "H2H"
}